Skyline
2x10 HR Floor Joist Hole Repair Kit
2x10 HR Floor Joist Hole Repair Kit
One side restores full strength — interlocking plates assemble around utilities
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Tools Needed:
- Screw-gun and Drill (Electric or Cordless)
- Construction Adhesive (optional)
- 5/32" Drill bit (Included)
- Torx T25 Driver tip (included)
- "C" Clamps (may be useful)
Returns, Refunds, and Shipping Policies
With the exception of weekends, we make every attempt to ship orders within 24 hours of when they are received. Some orders that are placed early in the day may ship that day while others may not. If your project requires faster service please call and we will do our best to accommodate your needs.
Joist Reinforcer Installation Video
What code allows for holes in Floor Joists (without Joist Reinforcer)
1. Only holes are allowed in the center 1/3rd, no notches.
2. Holes in the outer 1/3rd's of the span must be at least 2" apart.
3. Hole diameter cannot exceed 1/3rd of the depth of the Joist.
4. Hole can be no closer than 2" from the Joist edge.
With a Joist Reinforcer
1. Holes can be placed anywhere along the length of the Joist up to 12" from supporting members.
2. Hole diameter can be up to 6".
3. Hole location can be as close at 1.5" from bottom or top of Joist.

Installation Videos
DIY Joist Repair Made Easy
Repairing holes in your floor joists may seem like a daunting task, but we have designed and manufactured our products to be friendly to both contractors and do-it-yourself homeowners. We supply all the fasteners and bits you need - just use your own drill or driver!
Helpful Resources for our joist repair products
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Technical Bulletin
Technical BulletinFind metallurgical information, engineering examples, fastener properties and more in our technical bulletin.
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Product Kit Includes:
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Tools Needed:
- Screwgun and Drill (Electric or Cordless)
- Construction Adhesive (optional)
- 5/32" Drill bit (Included)
- Torx T25 Driver tip (included)
- "C" Clamps (may be useful)
What size hole is allowed in a joist with and without a joist repair plate?
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What building code says about holes in floor joists (without a reinforcer)
- Only holes are allowed in the center 1/3rd of the joist, with no notches.
- Holes in the outer third of the span must be at least 2" apart.
- Hole diameter cannot exceed 1/3rd of the depth of the joist.
- Hole can be no closer than 2" from the Joist edge.
-
With a Joist Reinforcer
- Holes can be placed anywhere along the length of the Joist up to 12" from supporting members.
- Hole diameter can be up to 6".
- Hole location can be as close at 1.5" from bottom or top of Joist.
Returns, Refunds, and Shipping Policies
With the exception of weekends, we make every attempt to ship orders within 24 hours of when they are received. Some orders that are placed early in the day may ship that day while others may not. If your project requires faster service please call and we will do our best to accommodate your needs.
Please include mobile phone and email for tracking via text and email. We use your contact information to provide you with updates on your orders.
Other Frequently Asked Questions
Do you offer quantity discounts?
If you would like to purchase a bulk order of our joist repair plates, please call us at 540-589-9669
What countries are joist repair products available in?
Available in the US, UK, Canada, and France. For availability in other countries please call - 540-589-9669
Who do I contact for questions?
Please email dan@joistrepair.com
Can I DIY my own joist repair?
You definitely can! Please review our installation videos for the steps on how to install our structural joist repair plates.